A230543 - cp's OEIS frontend

A230543 Numbers n that form a Pythagorean quadruple with n', n'' and sqrt(n^2 + n'^2 + n''^2), where n' and n'' are the first and the second arithmetic derivative of n.

n	a(n)
1	512
2	1203
3	3456
4	6336
5	23328
6	42768
7	157464
8	249753
9	288684
10	400000
11	722718
12	1062882
13	1948617
14	2700000
15	4950000
16	18225000
17	33412500
18	105413504
19	123018750
20	225534375
21	312500000
22	408918816

[512, 1203, 3456, 6336, 23328, 42768, 157464, 249753, 288684, 400000, 722718, 1062882, 1948617, 2700000, 4950000, 18225000, 33412500, 105413504, 123018750, 225534375, 312500000, 408918816]

cp's OEIS Frontend

A230543 Numbers n that form a Pythagorean quadruple with n', n'' and sqrt(n^2 + n'^2 + n''^2), where n' and n'' are the first and the second arithmetic derivative of n.

Table of values

List of values